10 20 30 40 50 UUCCGAUCUUCCACUGA--| C UC U C UCUGUA CCUU UUCUCAGGG CAGU UU CCAGGAAUCCCU \ GGAA GGGGGUUCU GUCA AA GGUCCUUAGGGG C AAUAAUUUGUCGACGGUUC^ C U- U A AAUAGU . 110 100 90 80 70